package com.kuang.diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

//声明式事务
@Aspect//标注这个类是一个切面
@Component
public class AnnotationPointCut {
    @Before("execution(* com.kuang.service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("====方法执行前========");
    }
    @After("execution(* com.kuang.service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("====方法执行后========");
    }
    @Around("execution(* com.kuang.service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint jp) throws Throwable {
        System.out.println("环绕前");
        Signature signature = jp.getSignature();
        System.out.println("signature="+signature);
        //执行方法
        Object proceed = jp.proceed();
        System.out.println("环绕后");
        System.out.println(proceed);
    }
}
